Home / 10,868.60-16,337.70-10,098.20

Finding the Fourth Proportional to 10,868.60, 16,337.70 and 10,098.20

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Solution

The fourth proportional to 10,868.60, 16,337.70 and 10,098.20 is: 15,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.60 : 16,337.70 = 10,098.20 : x
  2. Step 2: Convert to fraction form
    10,868.60/16,337.70 = 10,098.20/x
  3. Step 3: Cross multiply
    10,868.60x = 16,337.70 × 10,098.20
  4. Step 4: Simplify right side
    10,868.60x = 164,981,362.14
  5. Step 5: Solve for x
    x = 164,981,362.14/10,868.60
  6. Step 6: Final answer
    x = 15,179.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.